The best Venn diagrams John Venn never thought of

Monday's Google Doodle reminds us that it's the 180th anniversary of the birth of John Venn, the English logician whose simple drawing of overlapping circles became a trademark tool of the social sciences.

Yes, yes, Venn diagrams can teach math and business concepts and management lessons.

It turns out they are also really excellent as Internet punchlines. In addition to the reams of pages already devoted to funny Venn diagrams — plus this snippet from "How I Met Your Mother" — citizens of the Web managed to surface quite a few in honor of Venn's birthday. Here's a selection: